ParseFormatSpecifier()

static char System.Numerics.BigNumber.ParseFormatSpecifier ( ReadOnlySpan< char > format, out int digits )

inlinestaticpackage

Definition at line 327 of file BigNumber.cs.

    {
        digits = -1;
        if (format.Length == 0)
        {
            return 'R';
        }
        int num = 0;
        char c = format[num];
        if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z'))
        {
            num++;
            int num2 = -1;
            if (num < format.Length && format[num] >= '0' && format[num] <= '9')
            {
                num2 = format[num++] - 48;
                while (num < format.Length && format[num] >= '0' && format[num] <= '9')
                {
                    int num3 = num2 * 10 + (format[num++] - 48);
                    if (num3 < num2)
                    {
                        throw new FormatException(System.SR.Argument_BadFormatSpecifier);
                    }
                    num2 = num3;
                }
            }
            if (num >= format.Length || format[num] == '\0')
            {
                digits = num2;
                return c;
            }
        }
        return '\0';
    }

References System.SR.Argument_BadFormatSpecifier, and System.format.

Referenced by System.Numerics.BigNumber.FormatBigInteger().